Gunners from the Armed Forces of Ukraine fire at Russian position with a 155 mm self-propelled howitzer 2C22 in the Kharkiv region on April 21, 2024. (Anatolii Stepanov/AFP via Getty Images)
Chinese sailors stand next to a submarine rescue ship Hongzehu from the PLA Navy as it is docked on April 23, 2024, in Qingdao, China.(Kevin Frayer via Getty Images)
Researchers with the Naval Postgraduate School and NASA employ a REMUS 100 UUV to create a detailed map of a shallow environment off the coast of Florida on September 13, 2013. (DVIDS
Gunners from the Armed Forces of Ukraine fire at Russian position with a 155 mm self-propelled howitzer 2C22 in the Kharkiv region on April 21, 2024. (Anatolii Stepanov/AFP via Getty Images)
Chinese sailors stand next to a submarine rescue ship Hongzehu from the PLA Navy as it is docked on April 23, 2024, in Qingdao, China.(Kevin Frayer via Getty Images)
The Skydio X10D drone flies during a counter-uncrewed aerial systems training exercise at Grafenwoehr Training Area in Bavaria, Germany, on February 13, 2025. (US Army photo)
Hoesung Lee Chair of the Intergovernmental Panel on Climate Change speaks on the first day of the UNFCCC COP27 climate conference on November 6, 2022, in Sharm El Sheikh, Egypt. (Sean Gallup via Getty Images)
President Joe Biden talks with Energy Secretary Jennifer Granholm during a tour of the National Renewable Energy Laboratory Flatirons Campus in Arvada, Colorado, in September 2021. (Official White House Photo by Adam Schultz)
Sailor mechanics filling a plane with gasoline at Naval Air Station Corpus Christi, Texas, in August 1942. (Universal History Archive via Getty Images)
Aerial view of the Diablo Canyon the only operational nuclear plant left in California due to be shutdown in 2024 on December 1, 2021, Avila Beach, California. (George Rose via Getty Images)